Currently, the mobile industry offers a wide range of functional smartphones with a narrow body and large touch screens. They are undoubtedly high-performance, but, unfortunately, the level of reliability is openly lame. Many users were faced with the fact that after a fall, even from a small height, cracks appeared on the display or the device completely failed.
But not all modern gadgets are so fragile. Those who value reliability and are ready to sacrifice some innovative technologies are recommended to pay attention to Sigma mobile phones. Under this brand, truly indestructible devices are sold. The manufacturer prefers ease of use and practicality. Such devices, although not equipped with the latest fashion, can well provide the user with a stable cellular signal and a long battery life.
Also, Sigma mobile phones, reviews of some models will be considered a little later, they have a simple interface and well-designed ergonomics. Some copies of the line are equipped with large buttons, which is ideal for the elderly. It should be noted that the manufacturer does not overstate the cost of their products. And this, no doubt, makes Sigma phones attractive to a certain audience of customers. For example, the price of the simplest phone is 1500-2000 rubles. A βsmartβ smartphone equipped with a powerful processor, a capacious battery, decent cameras, will cost from 20 thousand rubles. Let's look at the characteristics of some models that, according to users, have an optimal price / quality ratio.
Mobile phone "Sigma X-treme PQ12"
Those who like outdoor activities or work in extreme conditions are advised to pay attention to the Sigma mobile X-treme PQ12 smartphone. The main feature of this model is the IP67 protected case. The phone is not afraid of getting wet, therefore, after falling into the water it does not fail. It is also worth paying attention to dust protection. The body is made in such a way that even the smallest particles do not penetrate inside. In order to increase the reliability level of the display, the developers covered it with tempered glass. In the reviews, users said that no scratches were formed on it, which indicates high quality. To increase the protective properties in this device, a special rubber gasket and bolts are used that securely press the battery cover to the case. However, this design is used in all Sigma mobile phones with IP67 and IP68 standards.
The smartphone is equipped with a 3.5-inch screen, whose resolution is 480 Γ 320 px. The developers preferred the TN matrix. The screen does not differ in wide viewing angles, but the image is quite tolerable. Given the low density (164 ppi), the picture is not clear enough, but the graininess is not pronounced. As for the built-in memory, in the device it is only 4 GB. About half are occupied by system files, so no more than 2.5 GB will be available to the user. There is a slot for a memory card. Autonomy is provided by a 1800 mAh battery. The talk time is about 6 hours. The same amount of time you can watch the video. On board the Android 4.2.2 smartphone. No proprietary shell is provided. To ensure operability, an MTK6572A / W processor is installed, which produces a frequency of 1200 MHz. RAM in one gigabyte is enough to quickly complete the tasks. In 2015, the cost of this phone was approximately 7,000 rubles.
Sigma mobile X-treme PQ35
There are also Sigma mobile phones on sale, the equipment of which fully complies with modern requirements. Such devices are, of course, not cheap, but the hardware "stuffing" optimally matches the price. Consider the smartphone Sigma mobile X-treme PQ35. It is equipped with a powerful MediaTek Helio P10 chipset, which operates at a frequency of 2000 MHz. RAM - 4 GB, ROM - 64 GB. If necessary, you can increase the built-in storage using a flash card. Manages the Android 7.0 gadget.
The phone gets positive reviews. Users note in them high performance, excellent cameras (13 and 5 megapixels), a capacious battery (5 thousand mAh), the availability of fast charging options, a high-quality 5.46-inch display with excellent resolution (FullHD), support for LTE and 3G.
Sigma mobile X-treme PQ68 Netphone
Along with modern smartphones and Sigma push-button mobile phones are in demand. For example, consider the classic all-in-one Sigma mobile X-treme PQ68 Netphone. In it, the manufacturer used the highest level of protection - IP68. The device can be used while under water. The keyboard buttons are not very large, but comfortable. There is a flashlight displayed on the upper end. The screen is 2.4ΚΊ. Its characteristics are far from ideal, but as for the "state employee" it is quite acceptable. The picture is reproduced with a resolution of 320 Γ 240 pixels. Built-in memory - 62 MB. You can increase it to 32 GB by installing an external drive. The phone uses a 2000 mAh battery. In standby mode, the device operates for about a month. When operating in mixed mode, you can safely count on 3-5 days.
Sigma mobile X-treme IP67
Sigma IP67 mobile phone is a simple push-button device. Outwardly, it looks quite attractive. The advantages also included high-quality speakers, IP68 case protection, a decent battery life, which is provided by a 1700 mAh battery, support for two SIM cards. The owners did not find any significant flaws. Weaknesses include limited functionality and poor camera resolution.